<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>do while 循环</title>
</head>

<body>
    <h2>JavaScript do ... while</h2>
    <p id="demo"></p>
    <script>
        var text = ""
        var i = 0;

        do {
            text += "<br>数字是 " + i;
            i++;
        }
        while (i < 10);
        document.getElementById("demo").innerHTML = text;
    </script>
</body>

</html>